/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.iotdb.db.engine.storagegroup;

import org.apache.iotdb.commons.consensus.DataRegionId;

/**
 * Time partition info records necessary info of a time partition for a data region
 */
public class TimePartitionInfo {
    DataRegionId dataRegionId;

    long partitionId;

    boolean isActive;

    long lastSystemFlushTime;

    boolean isLatestPartition;

    long memSize;

    public TimePartitionInfo(
            DataRegionId dataRegionId,
            long partitionId,
            boolean isActive,
            long lastSystemFlushTime,
            long memsize,
            boolean isLatestPartition) {
        this.dataRegionId = dataRegionId;
        this.partitionId = partitionId;
        this.isActive = isActive;
        this.lastSystemFlushTime = lastSystemFlushTime;
        this.memSize = memsize;
        this.isLatestPartition = isLatestPartition;
    }

    public int comparePriority(TimePartitionInfo timePartitionInfo) {
        int cmp = Boolean.compare(isActive, timePartitionInfo.isActive);
        if (cmp != 0) {
            return cmp;
        }

        cmp = Boolean.compare(isLatestPartition, timePartitionInfo.isLatestPartition);
        if (cmp != 0) {
            return cmp;
        }

        return Long.compare(lastSystemFlushTime, timePartitionInfo.lastSystemFlushTime);
    }
}
